How To Fix RSDME771 - Source &1 not &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 771

• Message text: Source &1 not &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDME771 - Source &1 not &2 ?

  The SAP error message RSDME771, which states "Source &1 not &2," typically occurs in the context of SAP BW (Business Warehouse) when there is a mismatch between the expected source and the actual source being used in a data flow or transformation.
  Cause:
  
  Source Mismatch: The error indicates that the source object (like an InfoSource, DataSource, or InfoProvider) being referenced does not match the expected type or structure. For example, if a DataSource is expected to be a certain type (like a DataSource for a specific InfoProvider) but is not, this error will occur.
  Configuration Issues: There may be issues in the configuration of the data flow, such as incorrect settings in the transformation or data source.
  Changes in Data Model: If there have been recent changes to the data model, such as renaming or deleting objects, this can lead to inconsistencies that trigger this error.
  
  Solution:
  
  Check Source Configuration: Verify the configuration of the source object. Ensure that the DataSource or InfoSource being used matches the expected type and structure.
  Review Transformations: Look at the transformations associated with the data flow. Ensure that the source and target mappings are correctly defined and that the source object is correctly referenced.
  Consistency Check: Run a consistency check on the data model to identify any discrepancies or issues that may be causing the error.
  Recreate Objects: If the source object has been modified or deleted, you may need to recreate it or adjust the data flow to point to the correct source.
  Check for Updates: Ensure that your SAP BW system is up to date with the latest patches and updates, as sometimes bugs can be resolved in newer versions.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to check the configuration of your DataSources and InfoProviders.
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently publishes notes that provide solutions or workarounds for specific error messages.
  Documentation: Refer to SAP documentation for detailed information on data modeling and transformation processes in BW.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation.